Charge and current definitions 0.0 / 5 ? PhysicsCharge and currentA2/A-levelOCR Created by: Ilee14Created on: 23-03-21 21:59 71098624315 Across 1. Substances that contain ions that when dissolved in a solution, act as charge carriers and allow current to flow (12) 5. The unit of charge (7) 6. A material that has the ability to change its number of charge carriers, and so its ability to conduct electricity. Light dependant resistors and thermistors are both examples (14) 9. The smallest possible charge, equal to the charge of an electron (10, 6) Down 2. The rate of flow of charge in a circuit (8, 7) 3. The opposite direction to conventional current flow. Electrons flow from negative to positive (8, 4) 4. A material that has no free charge carriers and so doesn't allow the flow of electrical charge (10) 7. The average velocity of an electron passing through an object. It is proportional to the current, and inversely proportional to the number of charge carriers and the cross-sectional area of the object (4, 5, 8) 8. A material that allows the flow of electrical charge. Good conductors have a larger amount of free charge carriers to carry a current (10) 10. The total charge in a system cannot change (12, 2, 6)
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